This advanced dog training collar automatically increases sonic output until your dog is quiet. Guaranteed to stop barking dog fast! The Super Hush Puppy is a super effective anti-barking that emits progressively increasing sound intensity as your dog's barking persists. Sound level is automatically increased through four intensity levels and automatically reset once barking ceases for more than thirty seconds. New voice recognition feature eliminates false triggering. The use of our unique progressively increasing sound stimulus is more effective in stopping barking because it quickly teaches your dog a pattern which is in direct response to the animal's behavior. This technique is guaranteed to stop your dog from barking in the fastest time possible without painful shock. Clinical tests show the Super Hush Puppy to be effective for over 90% of nuisance barking dogs. The high quality nylon strap adjusts from 5" to 24" Lightweight and comfortable on dogs weighing as little as 5 lbs. Effective on dogs weighing as much as 200 lbs! Requires 6 volt alkaline battery (not included).

　　- Humane Operation: Uses no shock and causes no pain or discomfort to your pet

　　- Features our unique, progressively increasing sound stimulus for quick, easy no-bark training

　　- Water resistant, rain and snow will not affect operation

　　- Operates on a 6 volt alkaline battery (not included)

　　- Voice Recognition feature minimizes false triggering

　　- Dimensions: 1.5 in. x 2.25 in. x 1.25 in.H

　　- Weight: 2.2 oz.